@article{1369852,
      recid = {1369852},
      author = {Bar-Yosef, Ofer, and Valla, François Raymond,},
      title = {Natufian foragers in the Levant : terminal Pleistocene  social changes in Western Asia /},
      pages = {1 online resource (xix, 717 pages) :},
      note = {Papers from a symposium held in 2009.},
      url = {http://library.usi.edu/record/1369852},
}